Arnold Claret Veliz, Editorial Texto

$13.56

Gaston Maldonado, San Pablo

$8.40

H. Czechowicz, Ediciones B

$11.10

H. Norman Wright, Unilit

$8.89

Ibarzábal Eugenio, Diaz de Santos

$30.00

J. Canfield - M.v. Hansen, Hci

$9.60

Jaime Lopera, Diana

$27.54

Walter Riso, Planeta

$21.60

Helymar Marquez, Helymar Marquez

$12.00

M. Ines Bernal, Intermedio

$12.00

Camilo Cruz, Taller Del Exito

$12.00

Maria Ramos Crespo, San Pablo

$7.20

L. Ronald Hubbard

$4.26

Virginia Satir, Concepto

$7.20

Brian Tracy, Empresa Activa

$23.94